Screw Assembly for Delta & Rockwell Idler Drum tensioning on the 6 x 48 inch Belt & Belt Disc Sanders. Includes: 902-02-010-1304 406-03-122-0001 406-03-031-0001 928-01-021-3381 1086990 905-01-010-2704 904-10-031-3804 904-07-011-5711 406-03-020-0001 406-03-438-0001 901-04-190-0225